CN202522176U - Detection device of swash plate and piston axial matched gap - Google Patents
Detection device of swash plate and piston axial matched gap Download PDFInfo
- Publication number
- CN202522176U CN202522176U CN2012200392733U CN201220039273U CN202522176U CN 202522176 U CN202522176 U CN 202522176U CN 2012200392733 U CN2012200392733 U CN 2012200392733U CN 201220039273 U CN201220039273 U CN 201220039273U CN 202522176 U CN202522176 U CN 202522176U
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- piston
- swash plate
- groove
- measurement mechanism
- displacement measurement
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Abstract
The utility model discloses a detection device of a swash plate and piston axial matched gap, which comprises an operating platform. A swash plate fixed structure, a piston support and a displacement measurement mechanism are arranged on the operating platform. The piston support comprises two piston placing blocks with grooves, the bottoms of the two grooves are in the same height and a pit is arranged in the middle position at the bottom of the groove of one piston placing block. The positions of the piston placing blocks are that when two ends of a piston are placed in the grooves of the piston placing blocks, a swash disc fixed on the swash plate fixed structure is right inserted in a swash disc socket of the piston, an axis of the piston and an axis of the swash disc fixed on the swash plate fixed structure are in the same horizontal height. The displacement measurement mechanism is fixed on the operating platform and measure points of the displacement measurement mechanism are placed at the bottom of one end of the piston on the groove with the pit. The detection device of the swash plate and piston axial matched gap can improve selection and matching accuracy to meet requirements of volume production.
Description
Technical field
The utility model relates to the pick-up unit of a kind of swash plate and piston axial fit clearance, and the swash plate of a kind of sloping plate type vehicle compressor of air conditioner of more specifically saying so and the pick-up unit of piston axial fit clearance belong to automobile air conditioner compressor manufacturing technology field.
Background technology
Existing automobile air conditioner compressor adopts the sloping plate type vehicle compressor of air conditioner mostly, and piston two ends of sloping plate type vehicle compressor of air conditioner are cylindrical shape, and the centre is the swash plate socket.Axial two sides at the inwall of swash plate socket have two sections circular arcs; In the automobile air conditioner compressor running; Two sections circular arcs of two sides of the swash plate socket inwall of piston need cooperate installs two hemisphere; Hemispherical plane is close on the inclined-plane of swash plate, when swash plate rotates, drives the hemisphere autobiography, drives piston simultaneously and moves back and forth.This operation process, the end play between two sections circular arcs of piston, hemisphere, the swash plate inclined-plane three is 0.015～0.025 millimeter, its apolegamy accuracy requirement is higher.
Two sections arc sizes to piston swash plate socket inwall two sides are very little through cutting inspection center's carpenters square again, make it in the tolerance of centre distance.Detect very little " pick-up units of the piston bridge portion inwall two side center of arc distances " patent documentation that can use for reference disclosed our company application in State Intellectual Property Office's on April 6th, 2011 of center of arc's carpenters square.Two inclined-plane axial widths of swash plate are by processing ramped conversion bevel angle gained.
Two sections circular arcs of two sides of piston swash plate socket inwall are installed two hemisphere through cooperating, and are affixed on the inclined-plane of swash plate, and the end play between the three need be carried out the precision adjustment, and compressor just can run well, and guarantee that simultaneously the operation noise is lower.At present; The conventional method that detects for the tolerance clearance between two sections center of arc's distances of two sides of piston swash plate socket inwall, hemisphere thickness, the swash plate inclined-plane axial width three; The general employing directly measured two sections center of arc of piston apart from the ramped of opening crotch size and swash plate; Axial fit clearance as requested calculates the hemisphere height, selects promptly to arrive the purpose of matching end play behind the hemisphere.Above-mentioned detection method exists not enough: one, open the ramped of crotch size and swash plate through the two sections center of arc's distances of piston that measure, have measuring error; When two, selecting hemisphere, the hemisphere in the same shelves specification can be in a margin tolerance, and there are deviation in hemisphere of choosing at last and actual computation value.More than 2 cause final actual apolegamy resultant error bigger.For this reason, developing a kind of suitable swash plate and the pick-up unit of piston axial fit clearance, is necessary in actual production.
The utility model content
To above-mentioned situation, the problem that the utility model quasi-solution is determined provides the pick-up unit of a kind of swash plate and piston axial fit clearance, and it can improve the apolegamy precision, to satisfy batch production requirements.
For achieving the above object; The utility model has adopted following technical scheme: the pick-up unit of a kind of swash plate and piston axial fit clearance; It comprises worktable, and said worktable is provided with the swash plate fixed sturcture, and two sides of said swash plate fixed sturcture are provided with piston holder and displacement measurement mechanism; Said piston holder comprises that two pistons with groove that are fixed on the worktable put piece, and said two bottom portion of groove are sustained height, and the centre position that one of them piston is put the bottom portion of groove of piece has depression; The position that said piston is put piece is: two ends of piston are shelved on piston when putting in the groove of piece; The said swash plate that is fixed on the swash plate fixed sturcture just in time inserts the swash plate socket of piston, and the axis of said piston and the axis that is fixed on the swash plate on the swash plate fixed sturcture are in same level height; Said displacement measurement mechanism is fixed on the worktable, and the measuring point of said displacement measurement mechanism is in the bottom that is shelved on groove upper piston one end with depression.
Said swash plate fixed sturcture comprises two V-type positioning seats; The height of said two V-type positioning seats is consistent; Said two V-type positioning seats are provided with briquetting; The outside that the inboard of one of them V-type positioning seat is provided with sloping tray axial backstay, another V-type positioning seat is provided with sloping tray axial and holds out against part, and the axis of said axial location bar is vertical with two V-type positioning seat lines of centres.The degree of depth of depression that said piston is put the bottom portion of groove of piece is the 1-2 millimeter.Said displacement measurement mechanism can be a lever indicator, and the gauge head of said lever indicator is near the bottom portion of groove with depression, and with the bottom of groove be same level height.Said displacement measurement mechanism also can be a displacement transducer.
Adopt said structure, the pick-up unit of swash plate of the utility model and piston axial fit clearance comprises worktable, and said worktable is provided with the swash plate fixed sturcture, and two sides of said swash plate fixed sturcture are provided with piston holder and displacement measurement mechanism.
The swash plate fixed sturcture comprises two V-type positioning seats; Said V-type positioning seat is provided with briquetting; Can the swash plate that be connected with main shaft is shelved on two V-type positioning seats and realize fixing, the inboard of one of them V-type positioning seat be provided with the sloping tray axial backstay in addition, and the outside of another V-type positioning seat is provided with sloping tray axial and holds out against part; The tangent tangent line in the inclined-plane of axial location bar and swash plate near; Under the situation that the other end holds out against,, guarantee the two sides symmetry of swash plate because the axis of axial location bar is vertical with two V-type positioning seat lines of centres.
Piston holder comprises that two pistons with groove that are fixed on the worktable put piece; Two ends of piston can be shelved on piston and put in the groove of piece; Said two bottom portion of groove are sustained height, and the centre position that one of them piston is put the bottom portion of groove of piece has depression; At this moment, the swash plate socket of swash plate insertion piston, if swash plate and piston axial fit clearance are zero words; The swash plate socket that swash plate inserts piston is a wringing fit; Push the top of piston one end that is shelved on the groove with depression, this end of piston can't move down, and has the gap if swash plate inserts the swash plate spigot of piston; Push the top of piston one end that is shelved on groove with depression; At least the piston holder upper piston in swash plate fixed sturcture one side has the perpendicular displacement amount, and promptly horizontal tangent moves down in the groove depression from bottom portion of groove below the piston, can be scaled swash plate and piston axial fit clearance according to the perpendicular displacement amount of this piston one end.Therefore, can find out that the pick-up unit of swash plate of the utility model and piston axial fit clearance provides the pick-up unit of a kind of swash plate and piston axial fit clearance, can improve the apolegamy precision, to satisfy batch production requirements from above-mentioned analysis.
The method of application of the pick-up unit of swash plate of the utility model and piston axial fit clearance: the measuring point of the displacement measurement mechanism of two sides of swash plate fixed sturcture is adjusted to the bottom portion of groove height and position that piston is put piece, and this position is the initial measuring point of said displacement measurement mechanism; The swash plate that connects main shaft is fixed on the swash plate fixed sturcture; In two ball-and-sockets of piston, put into hemisphere; The swash plate socket of piston is aligned swash plate; Make swash plate insert the swash plate socket of piston, then piston is fixed on the piston holder of swash plate fixed sturcture one side, be specially: piston two ends are shelved on piston and put in the groove of piece; At this moment, piston, hemisphere, swash plate have been simulated the mated condition of inclined disc type compressor of air conditioner; Push the top of piston one end that is shelved on groove, and displacement measurement mechanism is carried out single reading with depression; Piston is moved to along swash plate on the piston holder of swash plate fixed sturcture opposite side, and piston two ends are shelved on piston and put in the groove of piece; Push the top of piston one end that is shelved on groove, and the displacement measurement machine is carried out the reading second time with depression; Rereading according to displacement measurement mechanism is converted into swash plate and piston axial fit clearance value.Calculated the relation value of displacement measurement mechanism reading and swash plate and piston axial fit clearance value earlier,, drawn satisfactory displacement measurement mechanism reading value according to the requirement of piston axial fit clearance.As long as judge whether rereading all meets the requirements, just can draw the whether qualified conclusion of swash plate and piston axial fit clearance.
Description of drawings
Fig. 1 be the utility model swash plate and piston axial fit clearance pick-up unit overlook the direction structure synoptic diagram;
Fig. 2 is the sectional structure chart of the pick-up unit of swash plate and piston axial fit clearance;
Fig. 3 is the synoptic diagram of swash plate fixed sturcture.
Among the figure: the 1-worktable, 2-displacement measurement mechanism, 3-V type positioning seat, 4-sloping tray axial backstay, the 5-sloping tray axial holds out against part, the 6-briquetting, the 7-groove, the 8-piston is put piece, 9-swash plate, 10-piston, 11-depression, 12-hemisphere.
Embodiment
Like Fig. 1, shown in Figure 2, the pick-up unit of swash plate of the utility model and piston axial fit clearance, it comprises worktable 1, and said worktable 1 is provided with the swash plate fixed sturcture, and two sides of said swash plate fixed sturcture are provided with piston holder and displacement measurement mechanism 2.
Referring to Fig. 1, Fig. 3, said swash plate fixed sturcture comprises two V-type positioning seats 3, and the height of said two V-type positioning seats 3 is consistent, and said two V-type positioning seats 3 are provided with briquetting 6.The outside that the inboard of one of them V-type positioning seat 3 is provided with sloping tray axial backstay 4, another V-type positioning seat 3 is provided with sloping tray axial and holds out against part 5; The axis of said axial location bar 4 is vertical with two V-type positioning seat lines of centres; Said sloping tray axial holds out against part 5 and can adopt in the existing machinery field some to hold out against structure; For practicing thrift length, be not described in detail here.
Said piston holder comprises that two pistons with groove 7 that are fixed on the worktable 1 put piece 8, piston 10 is had when making test reasonable spacingly, and two sides with groove 7 can be provided with elastomer block.Said two to have groove 7 bottoms be sustained height, and the centre position that one of them piston is put groove 7 bottoms of piece 8 has depression 11.The degree of depth of depression 11 that said piston is put groove 7 bottoms of piece 8 is the 1-2 millimeter.
The position that said piston is put piece 8 is: two ends of piston 10 are shelved on piston when putting in the groove 7 of piece 8; The said swash plate 9 that is fixed on the swash plate fixed sturcture just in time inserts the swash plate socket of piston 10, and the axis of said piston 10 and the axis that is fixed on the swash plate 9 on the swash plate fixed sturcture are in same level height; Said displacement measurement mechanism 2 is fixed on the worktable 1, and the measuring point of said displacement measurement mechanism 2 is in the bottom that is shelved on groove 7 upper pistons 10 1 ends with depression 11.
The pick-up unit of above-mentioned swash plate and piston axial fit clearance, said shift measurement mechanism 2 can be a lever indicator, also can be displacement transducer.Present embodiment is to be example with said lever indicator.The gauge head of said lever indicator is near having depression 11 groove 7 bottoms, and with the bottom of groove 7 be same level height.
The method of application of the pick-up unit of above-mentioned swash plate and piston axial fit clearance, it may further comprise the steps:
A) measuring point of the displacement measurement mechanism 2 of two sides of swash plate fixed sturcture is adjusted to the groove 7 bottom level positions that piston is put piece 8, this position is said displacement measurement mechanism 2 initial measuring points;
The swash plate 9 that B) will connect main shaft is fixed on the swash plate fixed sturcture;
C) in two ball-and-sockets of piston 10, put into hemisphere 12; The swash plate socket of piston 10 is aligned swash plate 9; Make swash plate 9 insert the swash plate socket of piston 10, then piston 10 is fixed on the piston holder of swash plate fixed sturcture one side, be specially: piston 10 2 ends are shelved on piston and put in the groove 7 of piece 8; At this moment, piston 10, hemisphere 12, swash plate 9 have been simulated the mated condition of inclined disc type compressor of air conditioner;
D) push the top that is shelved on piston 10 1 ends, and displacement measurement mechanism 2 is carried out single reading with depression groove 7 of 11;
E) piston 10 is moved to along swash plate 9 on the piston holder of swash plate fixed sturcture opposite side, piston 10 2 ends are shelved on piston and put in the groove 7 of piece 8;
F) push the top that is shelved on piston 10 1 ends, and displacement measurement mechanism 2 is carried out the reading second time with depression groove 7 of 11;
G) rereading according to displacement measurement mechanism 2 is converted into swash plate and piston axial fit clearance value.
Preferred as the method for application of the pick-up unit of the utility model swash plate and piston axial fit clearance; Before detecting swash plate and piston axial fit clearance; Calculated the relation value of displacement measurement mechanism 2 readings and swash plate and piston axial fit clearance value earlier; According to the requirement of piston axial fit clearance, draw satisfactory displacement measurement mechanism 2 reading values.
Computing method are:
The gap causes the angle of piston-deflection---α
Swash plate angle---β
Centre distance---the L of two sections circular arcs of two sides of the swash plate socket inwall of piston
Piston length overall---H
The end play apolegamy requires---θ (0.015～0.025 millimeter)
The first step: computing formula: cos (β)-cos (alpha+beta)=θ/L
Wherein β, θ, L are known, can try to achieve α
Second step: computing formula: δ=tg α * H
According to the first step, α tries to achieve, and H is known, can obtain the 2 reading value δ of displacement measurement mechanism.
Claims (5)
1. the pick-up unit of swash plate and piston axial fit clearance, it comprises worktable (1), it is characterized in that said worktable (1) is provided with the swash plate fixed sturcture, two sides of said swash plate fixed sturcture are provided with piston holder and displacement measurement mechanism (2); Said piston holder comprises that two pistons with groove (7) that are fixed on the worktable (1) put piece (8); Said two grooves (7) bottoms be a sustained height, and the centre position that one of them piston is put bottom the groove (7) of piece (8) has depression (11); The position that said piston is put piece (8) is: two ends of piston (10) are shelved on piston and put the groove of piece (8) (7) when interior; The said swash plate (9) that is fixed on the swash plate fixed sturcture just in time inserts the swash plate socket of piston (10), and the axis of said piston (10) and the axis that is fixed on the swash plate (9) on the swash plate fixed sturcture are in same level height; Said displacement measurement mechanism (2) is fixed on the worktable (1), and the measuring point of said displacement measurement mechanism (2) is shelved on the bottom of groove (7) upper piston (10) one ends with depression (11).
2. the pick-up unit of swash plate according to claim 1 and piston axial fit clearance; It is characterized in that said swash plate fixed sturcture comprises two V-type positioning seats (3); The height of said two V-type positioning seats (3) is consistent; Said two V-type positioning seats (3) are provided with briquetting (6); The outside that the inboard of one of them V-type positioning seat (3) is provided with sloping tray axial backstay (4), another V-type positioning seat (3) is provided with sloping tray axial and holds out against part (5), and the axis of said axial location bar (4) is vertical with two V-type positioning seats (3) line of centres.
3. the pick-up unit of swash plate according to claim 1 and 2 and piston axial fit clearance is characterized in that it is the 1-2 millimeter that said piston is put the degree of depth of the depression (11) of the groove of piece (8) (7) bottom.
4. the pick-up unit of swash plate according to claim 1 and 2 and piston axial fit clearance; It is characterized in that said displacement measurement mechanism (2) is a lever indicator; The gauge head of said lever indicator is near the groove with depression (11) (7) bottom, and with the bottom of groove (7) be same level height.
5. the pick-up unit of swash plate according to claim 1 and 2 and piston axial fit clearance is characterized in that said displacement measurement mechanism (2) is a displacement transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200392733U CN202522176U (en) | 2012-02-08 | 2012-02-08 | Detection device of swash plate and piston axial matched gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200392733U CN202522176U (en) | 2012-02-08 | 2012-02-08 | Detection device of swash plate and piston axial matched gap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202522176U true CN202522176U (en) | 2012-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200392733U Withdrawn - After Issue CN202522176U (en) | 2012-02-08 | 2012-02-08 | Detection device of swash plate and piston axial matched gap |
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| Country | Link |
|---|---|
| CN (1) | CN202522176U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589394A (en) * | 2012-02-08 | 2012-07-18 | 浙江春晖空调压缩机有限公司 | Detection device of swash plate and piston axial matched gap and using method thereof |
| CN102997885A (en) * | 2012-11-27 | 2013-03-27 | 安徽工业大学 | Gap detection device of large slewing bearing |
-
2012
- 2012-02-08 CN CN2012200392733U patent/CN202522176U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589394A (en) * | 2012-02-08 | 2012-07-18 | 浙江春晖空调压缩机有限公司 | Detection device of swash plate and piston axial matched gap and using method thereof |
| CN102589394B (en) * | 2012-02-08 | 2014-06-18 | 浙江春晖空调压缩机有限公司 | Detection device of swash plate and piston axial matched gap and using method thereof |
| CN102997885A (en) * | 2012-11-27 | 2013-03-27 | 安徽工业大学 | Gap detection device of large slewing bearing |
| CN102997885B (en) * | 2012-11-27 | 2015-02-25 | 安徽工业大学 | Gap detection device of large slewing bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121107 Effective date of abandoning: 20140618 |
|
| RGAV | Abandon patent right to avoid regrant |